Fix iOS build for XCode 4.6.

base/message_pump_mac.mm

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #import "base/message_pump_mac.h"
 
 #import <Foundation/Foundation.h>
 
 #include <limits>
 
 #include "base/logging.h"
 #include "base/run_loop.h"
 #include "base/time.h"
 
 #if !defined(OS_IOS)
 #import <AppKit/AppKit.h>
 #endif  // !defined(OS_IOS)
 
 namespace {
 
 void NoOp(void* info) {
 }
 
 const CFTimeInterval kCFTimeIntervalMax =
     std::numeric_limits<CFTimeInterval>::max();
 
+#if !defined(OS_IOS)
 // Set to true if MessagePumpMac::Create() is called before NSApp is
 // initialized.  Only accessed from the main thread.
 bool not_using_crapp = false;

[wtc, 2013/01/04 00:58:36]

Nit: this global variable should be named with a g_ prefix.

Nit: I suggest changing "crapp" to "cr_app". Ideally the
comment should point out what "CrApp" refers to, but I know
that's probably more than what you planned to do in this CL.

[justincohen, 2013/01/04 03:54:10]

Done.

+#endif
 
 }  // namespace
 
 namespace base {
 
 // A scoper for autorelease pools created from message pump run loops.
 // Avoids dirtying up the ScopedNSAutoreleasePool interface for the rare
 // case where an autorelease pool needs to be passed in.
 class MessagePumpScopedAutoreleasePool {
  public:
@@ skipping 650 matching lines @@
     [NSApplication sharedApplication];
     not_using_crapp = true;
     return new MessagePumpNSApplication;
 #endif
   }
 
   return new MessagePumpNSRunLoop;
 }
 
 }  // namespace base